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<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
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<body>
    <script type="text/javascript">
        if(sessionStorage.hits) {
            sessionStorage.hits = Number(sessionStorage.hits) + 1;
        } else {
            sessionStorage.hits = 1;
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        document.write('Total Hits: ' + sessionStorage.hits);
    </script>
    <p>Refresh the page to increase number of hits.</p>
    <p>Close the window and open it again and check the result.</p>
</body>
</html>
